Is this kit for one time use only?

YOu get four little graduated test tubes, one for each type of test, ph n p k You get a ziplock bag with four plastic bags, each containing 10 color coded capsules. Not sure what the shelf life is supposed to be but maybe a year if you keep it indoors in a dark place. You can do a total of 10 complete tests.

Hello, In each soil test kit you'll receive 10 x separate tests for pH, nitrogen, phosphorus, and potassium levels. So - 40 tests in total are included with each kit.